---
title: "CVE-2012-3960\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2012-3960?format=md
keywords: index, follow
---

# CVE-2012-3960

Publication date 29 August 2012

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## Description

Use-after-free vulnerability in the mozSpellChecker::SetCurrentDictionary
function in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7,
Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey
before 2.12 allows remote attackers to execute arbitrary code or cause a
denial of service (heap memory corruption) via unspecified vectors.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| firefox | 13.10 saucy | Fixed 15.0+build1-0ubuntu1 |
| 13.04 raring | Fixed 15.0+build1-0ubuntu1 |
| 12.10 quantal | Fixed 15.0+build1-0ubuntu1 |
| 12.04 LTS precise | Fixed 15.0+build1-0ubuntu0.12.04.1 |
| 11.10 oneiric | Fixed 15.0+build1-0ubuntu0.11.10.1 |
| 11.04 natty | Fixed 15.0+build1-0ubuntu0.11.04.2 |
| 10.04 LTS lucid | Fixed 15.0+build1-0ubuntu0.10.04.1 |
| 8.04 LTS hardy | Ignored end of life |
| seamonkey | 13.10 saucy | Not in release |
| 13.04 raring | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 11.10 oneiric | Ignored end of life |
| 11.04 natty | Ignored end of life |
| 10.04 LTS lucid | Ignored end of life |
| 8.04 LTS hardy | Ignored end of life |
| thunderbird | 13.10 saucy | Fixed 15.0+build1-0ubuntu1 |
| 13.04 raring | Fixed 15.0+build1-0ubuntu1 |
| 12.10 quantal | Fixed 15.0+build1-0ubuntu1 |
| 12.04 LTS precise | Fixed 15.0+build1-0ubuntu0.12.04.1 |
| 11.10 oneiric | Fixed 15.0+build1-0ubuntu0.11.10.1 |
| 11.04 natty | Fixed 15.0+build1-0ubuntu0.11.04.1 |
| 10.04 LTS lucid | Fixed 15.0+build1-0ubuntu0.10.04.1 |
| 8.04 LTS hardy | Ignored end of life |
| xulrunner-1.9.2 | 13.10 saucy | Not in release |
| 13.04 raring | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 11.10 oneiric | Not in release |
| 11.04 natty | Ignored end of life |
| 10.04 LTS lucid | Ignored end of life |
| 8.04 LTS hardy | Ignored end of life |
| xulrunner-2.0 | 13.10 saucy | Not in release |
| 13.04 raring | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 11.10 oneiric | Not in release |
| 11.04 natty | Ignored end of life |
| 10.04 LTS lucid | Not in release |
| 8.04 LTS hardy | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3960)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2012-3960)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2012-3960)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2012-3960)

### Related Ubuntu Security Notices (USN)

+ [USN-1548-1](https://usn.ubuntu.com/USN-1548-1)
+ Firefox vulnerabilities
+ 29 August 2012

+ [USN-1551-1](https://usn.ubuntu.com/USN-1551-1)
+ Thunderbird vulnerabilities
+ 30 August 2012

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2012-3960>